000			00336nmm a2200133Ia 4500
008			160331s9999 xx 000 0 und d
040			_aNit, Silchar
041			_aEnglish
100			_aTokheim, Roger
245			_aDigital electronics: Principles and applications
250			_a6th ed
260			_aNew Delhi _bTMH _c2004
942			_cCD
999			_c22691 _d22691